01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: * $Header:$
18: */
19: package org.apache.beehive.controls.api.bean;
20:
21: import java.lang.annotation.ElementType;
22: import java.lang.annotation.Retention;
23: import java.lang.annotation.RetentionPolicy;
24: import java.lang.annotation.Target;
25:
26: /**
27: * The Control annotation type is used to annotate a field within a control
28: * client source file that is a control reference. It is the declarative
29: * mechanism for instantiating controls in Java clients. Java Controls
30: * runtime implementations will automatically initialize such annotated field
31: * references to an appropriate Java Control Bean of the requested type,
32: * and perform event listener hookup etc.
33: */
34: @Retention(RetentionPolicy.RUNTIME)
35: @Target({ElementType.FIELD})
36: public @interface Control {
37: /**
38: * Optional member used to specify the control interface class.
39: * Typically only necessary to resolve ambiguities when multiple
40: * control interfaces with same name but different packages are present.
41: */
42: Class<?> interfaceHint() default Object.class;
43: }
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